class_docstr: Add 3 to every category.
code: def __init__(self, random_state=None):
      self.random_state = random_state
  
file_path: auto-sklearn/autosklearn/pipeline/implementations/CategoryShift.py
imports: import numpy
  from scipy import sparse
  from sklearn.base import BaseEstimator, TransformerMixin
  from sklearn.utils import check_array
label_desc: Use image node_id 1 to create a new CategoryShift object from inherited base classes: BaseEstimator, TransformerMixin with example: obj = CategoryShift(random_state)